You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20120726084034" timestamp="2012-07-26T08:40:34Z" ns="0" title="Vorlage Seitennotiz" />
        <page value="20120908232952" timestamp="2012-09-08T23:29:52Z" ns="0" title="Michael Douglas" />
        <page value="20120908233210" timestamp="2012-09-08T23:32:10Z" ns="0" title="Randy Quaid" />
        <page value="20120908233702" timestamp="2012-09-08T23:37:02Z" ns="0" title="William Shatner" />
        <page value="20120908233958" timestamp="2012-09-08T23:39:58Z" ns="0" title="Wolfgang Petersen" />
        <page value="20120908234155" timestamp="2012-09-08T23:41:55Z" ns="0" title="Adrienne Barbeau" />
        <page value="20120908234536" timestamp="2012-09-08T23:45:36Z" ns="0" title="Ann Turkel" />
        <page value="20120908234721" timestamp="2012-09-08T23:47:21Z" ns="0" title="Brenda Bakke" />
        <page value="20120909000045" timestamp="2012-09-09T00:00:45Z" ns="0" title="Geneviève Bujold" />
        <page value="20120909000319" timestamp="2012-09-09T00:03:19Z" ns="0" title="Joanna Pacula" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>